1001bit Tool Pro v2 for Sketchup
Windows OS
With 1001bit Tools Standard version you could create parametric architectural elements
(eg. staircases, windows, doors, roofs, louvres, floor joists...etc) within minutes.
With 1001bit Pro you can build even more architectural elements, plus there're a lot of useful editing tools.
You can also save commonly used parameters for easy selection in future.